Voice: Alarm call a snapping "tsiuck". Territorial song of male 1-2 second long rising utterance of 5-9 separate repeated notes "huhuhuhuhu".About postcard: Tomin Kuva Oy, www.tominkuva.fi; photo by Hannu Siitonen.
luni, 7 martie 2011
FI-1026440 Boreal Owl
A new owl postcard in my mailbox today: Boreal or Tengmalm's Owl (Aegolius funereus), from Tarja (Finland).
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